G. C. Onyishi

University of Nigeria

Publishing since 2006, latest 2025

Health, Toxicology and Mutagenesis
Ecology
Parasitology
Infectious Diseases
Plant Science
Public Health, Environmental and Occupational Health

Publications: 242006–2025
Citations: 234to those papers
h-index: 9i10-index 9
Field-weighted impact: 0.581.00 is the world average
World top 10%: 0%0 of 24 scored papers
Open access: 71%17 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

24 in all

Epidemiology and Risks Survey of Onchocerca volvulus Infection in Igbo-Eze North Local Government Area, Enugu State, Nigeria
2025Tropical Medicine and Infectious DiseaseJournalOpen access0 citations10.3390/tropicalmed10100285
Low prevalence of Trichomonas vaginalis infection among women seeking health care in five communities in Ikot Ekpene Local Government Area of Akwa Ibom State, Nigeria

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Health, Toxicology and Mutagenesis938%
Ecology729%
Parasitology729%
Infectious Diseases625%
Plant Science521%
Public Health, Environmental and Occupational Health521%
Pollution417%
Aquatic Science313%
Immunology313%
General Health Professions28%

Health Sciences
Life Sciences
Physical Sciences

Topics most written on

Parasites and Host Interactions6
Environmental Toxicology and Ecotoxicology5
Parasite Biology and Host Interactions5
Parasitic Diseases Research and Treatment5
Insects and Parasite Interactions4
Aquaculture disease management and microbiota3
Malaria Research and Control3
Aquaculture Nutrition and Growth2
Global Health and Epidemiology2
Pesticide and Herbicide Environmental Studies2
Pesticide Exposure and Toxicity2
Adolescent Sexual and Reproductive Health1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

4% of their papers have a co-author abroad

papers co-written1111111Home

Most frequent partner countries

India1

Papers with at least one author in that country.

Institutions written with most

Enugu State University of Science and TechnologyNG4 papers
Jiwaji UniversityIN1 paper
Nnamdi Azikiwe UniversityNG1 paper
Federal University Oye EkitiNG1 paper
Ebonyi State UniversityNG1 paper
Federal University of Technology OwerriNG1 paper
Federal College of Education, Eha-AmufuNG1 paper

Where they publish

Animal Research International4
PubMed3
Drug and Chemical Toxicology2
Tropical Medicine and Infectious Disease2
African Health Sciences1
African Journal of Aquatic Science1
AFRICAN JOURNAL OF BIOTECHNOLOGY

Development goals addressed

From each paper’s title and abstract

6Clean water and sanitation4
2Zero hunger3
14Life below water3
3Good health and well-being2
1No poverty1
11Sustainable cities and communities1
15Life on land1

Most cited

Changes in behavior and hematological parameters of freshwater African catfish Clarias gariepinus (Burchell 1822) following sublethal exposure to chloramphenicol
Drug and Chemical Toxicology14
201341 citations
Toxicity of the chlorpyrifos-based pesticide Termifos®: effects on behaviour and biochemical and haematological parameters of African catfishClarias gariepinus
African Journal of Aquatic Science14
201335 citations
Oxidative stress and biochemical responses in the tissues of African catfishClarias gariepinusjuvenile following exposure to primextra herbicide

Gut Parasites of Donkeys and Horses in a Semi-Urban Metropolis, Nigeria

2021Pakistan Journal of ZoologyJournalOpen accessFirst author1 citation10.17582/journal.pjz/20190221040201

Intestinal Helminthiasis in Children in Nsukka Local Government Area, Enugu State, Nigeria

2018Journal of Infectious Diseases & Travel MedicineJournalOpen accessFirst authorCorresponding6 citations10.23880/jidtm-16000117

HAEMATOLOGICAL PARAMETERS DYNAMICS OF DEVELOPING GALLUS GALLUS DOMESTICUS

2017Animal Research InternationalJournalOpen accessFirst author17 citations

Toxicological effects of carbosulfan in rats

2015Toxicology and Industrial HealthJournal3 citations10.1177/0748233714564243

Mushroom flora and associated insect fauna in Nsukka Urban, Enugu State, Nigeria

2009Animal Research InternationalJournalOpen accessSenior author1 citation10.4314/ari.v5i1.48714

Host-Vector-Parasite Relationship Among Inhabitants Of The Anambra River Basin Irrigation Project Area

2008Animal Research InternationalJournalOpen accessFirst authorCorresponding0 citations10.4314/ari.v2i2.40864

How it can be read

71% free to read

Diamond 11 · 46%Free to read and to publish
Gold 3 · 13%In an open-access journal
Green 3 · 13%A copy in a repository
Closed 7 · 29%Behind a paywall

Who funds it

5 of 24 papers name a funder

Division of Environmental Biology5
University Of Nigeria Nsukka2
Syngenta Canada1

Drug and Chemical Toxicology

First Record of Co - infection of Three Clinostomatid Parasites in Cichlids (Osteichthyes: Cichlidae) in a Tropical Freshwater Lake.

PubMed14

201224 citationsOpen access · Green

HAEMATOLOGICAL PARAMETERS DYNAMICS OF DEVELOPING GALLUS GALLUS DOMESTICUS

Animal Research International

201717 citationsOpen access · Green